单词	subfloor
释义	subfloor /ˈsʌbflɔː / noun The foundation for a floor in a building.While you can install laminate flooring over just about any type of subfloor, the subfloor needs to be clean, level, and solid.... Rather than being nailed or glued to a concrete or plywood subfloor, these floors float atop the subfloor. The tubing for a radiant floor heating system is located either in the concrete, under wood subfloors, or on a subfloor of wood, precast concrete or concrete slab-on-grade, then covered with gypsum.
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